एपीए उद्धरण

Jørgensen, S. E. (2012). Introduction to systems ecology. CRC Press/Taylor & Francis.

शिकागो स्टाइल उद्धरण

Jørgensen, Sven Erik. Introduction to Systems Ecology. Boca Raton: CRC Press/Taylor & Francis, 2012.

एमएलए उद्धरण

Jørgensen, Sven Erik. Introduction to Systems Ecology. CRC Press/Taylor & Francis, 2012.